Astronomy & Astrophysics

Table of contents

A&A Vol. 494 No. 1

	Astronomy and Astrophysics
	Vol. 494 No. 1 (January IV 2009)
Cover illustration: Resolved 25 micron emission in massive star forming regions (W. J. de Wit, et al., p. 157)

This week in A&A
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Cosmology (including clusters of galaxies)

Studying the leptonic structure of galaxy cluster atmospheres from the spectral properties of the SZ effect p. 1
S. Colafrancesco, D. Prokhorov, and V. Dogiel
Abstract | Full HTML | PDF file (214.5 KB) | PS file (251.4 KB) | References

Extragalactic astronomy

Formation of young boxy/peanut bulges in ringed barred galaxies p. 11
H. Wozniak and L. Michel-Dansac
Abstract | Full HTML | PDF file (1.183 MB) | PS file (1.132 MB) | References

Evolution of magnetic fields in galaxies and future observational tests with the Square Kilometre Array p. 21
T. G. Arshakian, R. Beck, Marita Krause, and D. Sokoloff
Abstract | Full HTML | PDF file (255.7 KB) | PS file (107.2 KB) | References

The spatial clustering of X-ray selected AGN in the XMM-COSMOS field p. 33
R. Gilli, G. Zamorani, T. Miyaji, J. Silverman, M. Brusa, V. Mainieri, N. Cappelluti, E. Daddi, C. Porciani, L. Pozzetti, F. Civano, A. Comastri, A. Finoguenov, F. Fiore, M. Salvato, C. Vignali, G. Hasinger, S. Lilly, C. Impey, J. Trump, P. Capak, H. McCracken, N. Scoville, Y. Taniguchi, C. M. Carollo, T. Contini, J.-P. Kneib, O. Le Fevre, A. Renzini, M. Scodeggio, S. Bardelli, M. Bolzonella, A. Bongiorno, K. Caputi, A. Cimatti, G. Coppa, O. Cucciati, S. de la Torre, L. de Ravel, P. Franzetti, B. Garilli, A. Iovino, P. Kampczyk, C. Knobel, K. Kovač, F. Lamareille, J.-F. Le Borgne, V. Le Brun, C. Maier, M. Mignoli, R. Pellò, Y. Peng, E. Perez Montero, E. Ricciardelli, M. Tanaka, L. Tasca, L. Tresse, D. Vergani, E. Zucca, U. Abbas, D. Bottini, A. Cappi, P. Cassata, M. Fumana, L. Guzzo, A. Leauthaud, D. Maccagni, C. Marinoni, P. Memeo, B. Meneux, P. Oesch, R. Scaramella, and J. Walcher
Abstract | Full HTML | PDF file (567.2 KB) | PS file (545.8 KB) | References

High energy variability of 3C 273 during the AGILE multiwavelength campaign of December 2007–January 2008 p. 49
L. Pacciani, I. Donnarumma, V. Vittorini, F. D'Ammando, M. T. Fiocchi, D. Impiombato, G. Stratta, F. Verrecchia, A. Bulgarelli, A. W. Chen, A. Giuliani, F. Longo, G. Pucella, S. Vercellone, M. Tavani, A. Argan, G. Barbiellini, F. Boffelli, P. A. Caraveo, P. W. Cattaneo, V. Cocco, E. Costa, E. Del Monte  , G. Di Cocco, Y. Evangelista, M. Feroci,  T. Froysland, F. Fuschino, M. Galli, F. Gianotti, C. Labanti, I. Lapshov, F. Lazzarotto, P. Lipari, M. Marisaldi, S. Mereghetti, A. Morselli, A. Pellizzoni, F. Perotti, P. Picozza, M. Prest, M. Rapisarda, P. Soffitta, M. Trifoglio, G. Tosti, A. Trois, E. Vallazza,  D. Zanello, L. A. Antonelli, S. Colafrancesco, S. Cutini, D. Gasparrini, P. Giommi, C. Pittori, and L. Salotti
Abstract | Full HTML | PDF file (594.8 KB) | PS file (528.8 KB) | References

On the nature of the extragalactic number counts in the K-band p. 63
G. Barro, J. Gallego, P. G. Pérez-González, C. Eliche-Moral, M. Balcells, V. Villar, N. Cardiel, D. Cristobal-Hornillos, A. Gil de Paz, R. Guzmán, R. Pelló, M. Prieto, and J. Zamorano
Abstract | Full HTML | PDF file (584.0 KB) | PS file (659.2 KB) | References

The spatial distribution of star and cluster formation in M 51 p. 81
R. A. Scheepmaker, H. J. G. L. M. Lamers, P. Anders, and S. S. Larsen
Abstract | Full HTML | PDF file (1.069 MB) | PS file (926.9 KB) | References

Galactic structure, stellar clusters, and populations

The evolution of the Galactic metallicity gradient from high-resolution spectroscopy of open clusters p. 95
L. Magrini, P. Sestito, S. Randich, and D. Galli
Abstract | Full HTML | PDF file (428.4 KB) | PS file (210.7 KB) | References

Interstellar and circumstellar matter

A tracer of organic matter of prebiotic interest in space, made from UV and thermal processing of ice mantles p. 109
G. M. Muñoz Caro and E. Dartois
Abstract | Full HTML | PDF file (326.2 KB) | PS file (183.8 KB) | References

Polarimetric survey of main-line OH masers in star-forming regions p. 117
M. Szymczak and E. Gérard
Abstract | Full HTML | PDF file (7.236 MB) | PS file (19.73 MB) | References | Online Material

Numerical simulations of compressively driven interstellar turbulence - I. Isothermal gas p. 127
W. Schmidt, C. Federrath, M. Hupp, S. Kern, and J. C. Niemeyer
Abstract | Full HTML | PDF file (4.254 MB) | PS file (56.00 MB) | References

Rotating molecular outflows: the young T Tauri star in CB 26 p. 147
R. Launhardt, Ya. Pavlyuchenkov, F. Gueth, X. Chen, A. Dutrey, S. Guilloteau, Th. Henning, V. Piétu, K. Schreyer, and D. Semenov
Abstract | Full HTML | PDF file (901.0 KB) | PS file (1.670 MB) | References

Resolved 24.5 micron emission from massive young stellar objects p. 157
W. J. de Wit, M. G. Hoare, T. Fujiyoshi, R. D. Oudmaijer, M. Honda, H. Kataza, T. Miyata, Y. K. Okamoto, T. Onaka, S. Sako, and T. Yamashita
Abstract | Full HTML | PDF file (1.012 MB) | PS file (691.6 KB) | References

Modeling the X-ray emission of SN 1993J p. 179
T. K. Nymark, P. Chandra, and C. Fransson
Abstract | Full HTML | PDF file (375.2 KB) | PS file (420.2 KB) | References

Stellar structure and evolution

Stochastic excitation of nonradial modes - II. Are solar asymptotic gravity modes detectable? p. 191
K. Belkacem, R. Samadi, M. J. Goupil, M. A. Dupret, A. S. Brun, and F. Baudin
Abstract | Full HTML | PDF file (1.656 MB) | PS file (2.924 MB) | References

Research Note

On the opacity change required to compensate for the revised solar composition p. 205
J. Christensen-Dalsgaard, M. P. Di Mauro, G. Houdek, and F. Pijpers
Abstract | Full HTML | PDF file (194.2 KB) | PS file (92.74 KB) | References

Combined effects of tidal and rotational distortions on the equilibrium configuration of low-mass, pre-main sequence stars p. 209
N. R. Landin, L. T. S. Mendes, and L. P. R. Vaz
Abstract | Full HTML | PDF file (563.1 KB) | PS file (248.6 KB) | References

GRS 1915+105: high-energy insights with SPI/INTEGRAL - Spectral analysis of the Comptonized emission p. 229
R. Droulans and E. Jourdain
Abstract | Full HTML | PDF file (183.8 KB) | PS file (115.2 KB) | References

Solar-like oscillations in the G8 V star $\tau$ Ceti p. 237
T. C. Teixeira, H. Kjeldsen, T. R. Bedding, F. Bouchy, J. Christensen-Dalsgaard, M. S. Cunha, T. Dall, S. Frandsen, C. Karoff, M. J. P. F. G. Monteiro, and F. P. Pijpers
Abstract | Full HTML | PDF file (686.8 KB) | PS file (453.2 KB) | References

Circumstellar water vapour in M-type AGB stars: constraints from H $_{\sf 2}$ O(1 $_{\sf 10}$ –1 $_{\sf01}$ ) lines obtained with Odin p. 243
M. Maercker, F. L. Schöier, H. Olofsson, P. Bergman, U. Frisk, Å. Hjalmarson, K. Justtanont, S. Kwok, B. Larsson, M. Olberg, and Aa. Sandqvist
Abstract | Full HTML | PDF file (353.4 KB) | PS file (315.5 KB) | References

Stellar atmospheres

The pre- versus post-main sequence evolutionary phase of B[e] stars - Constraints from $^{\sf 13}$ CO band emission p. 253
M. Kraus
Abstract | Full HTML | PDF file (561.1 KB) | PS file (764.0 KB) | References

The Sun

Two types of flare-associated coronal mass ejections p. 263
G. Michalek
Abstract | Full HTML | PDF file (456.5 KB) | PS file (2.798 MB) | References

The solar chromosphere at high resolution with IBIS - II. Acoustic shocks in the quiet internetwork and the role of magnetic fields p. 269
A. Vecchio, G. Cauzzi, and K. P. Reardon
Abstract | Full HTML | PDF file (6.258 MB) | PS file (19.21 MB) | References

Markov properties of solar granulation p. 287
A. Asensio Ramos
Abstract | Full HTML | PDF file (1.124 MB) | PS file (16.86 MB) | References

Magnetohydrodynamic waves in a compressible magnetic flux tube with elliptical cross-section p. 295
R. Erdélyi and R. J. Morton
Abstract | Full HTML | PDF file (727.9 KB) | PS file (2.461 MB) | References

Firehose instability in space plasmas with bi-kappa distributions p. 311
M. Lazar  and S. Poedts 
Abstract | Full HTML | PDF file (215.0 KB) | PS file (875.0 KB) | References

On the validity of nonlinear Alfvén resonance in space plasmas p. 317
C. T. M. Clack, I. Ballai, and M. S. Ruderman
Abstract | Full HTML | PDF file (242.4 KB) | PS file (110.4 KB) | References

Simulations of emerging flux in a coronal hole: oscillatory reconnection p. 329
M. J. Murray, L. van Driel-Gesztelyi, and D. Baker
Abstract | Full HTML | PDF file (2.855 MB) | PS file (2.423 MB) | References

Forward modelling to determine the observational signatures of propagating slow waves for TRACE, SoHO/CDS, and Hinode/EIS p. 339
N. R. Owen, I. De Moortel, and A. W. Hood
Abstract | Full HTML | PDF file (726.9 KB) | PS file (295.9 KB) | References

On oscillations found in an active region with EIS on Hinode p. 355
E. O'Shea and J. G. Doyle
Abstract | Full HTML | PDF file (1.053 MB) | PS file (5.169 MB) | References

Angular momentum transport in a multicomponent solar wind with differentially flowing, thermally anisotropic ions p. 361
B. Li and X. Li
Abstract | Full HTML | PDF file (555.3 KB) | PS file (210.5 KB) | References

Planets and planetary systems

The multiplicity of exoplanet host stars - New low-mass stellar companions of the exoplanet host stars HD 125612 and HD 212301 p. 373
M. Mugrauer and R. Neuhäuser
Abstract | Full HTML | PDF file (703.6 KB) | PS file (3.236 MB) | References

The rotation and coma profiles of comet C/2004 Q2 (Machholz) p. 379
M. Reyniers, P. Degroote, D. Bodewits, J. Cuypers, and C. Waelkens
Abstract | Full HTML | PDF file (864.5 KB) | PS file (4.048 MB) | References

A cool starspot or a second transiting planet in the TrES-1 system? p. 391
M. Rabus, R. Alonso, J. A. Belmonte, H. J. Deeg, R. L.Gilliland, J. M. Almenara, T. M. Brown, D. Charbonneau, and G. Mandushev
Abstract | Full HTML | PDF file (264.5 KB) | PS file (175.6 KB) | References

Astronomical instrumentation

Notes on the disentangling of spectra - I. Enhancement in precision p. 399
P. Hadrava
Abstract | Full HTML | PDF file (122.9 KB) | PS file (168.6 KB) | References

Catalogs and data

Low temperature Rosseland opacities with varied abundances of carbon and nitrogen p. 403
M. T. Lederer and B. Aringer
Abstract | Full HTML | PDF file (353.8 KB) | PS file (192.7 KB) | References

Swift follow-up observations of 17 INTEGRAL sources of uncertain or unknown nature p. 417
J. Rodriguez, J. A. Tomsick, and S. Chaty
Abstract | Full HTML | PDF file (1.203 MB) | PS file (2.848 MB) | References

Astronomy and Astrophysics